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Placenticeras orbignyanum
Taxonomy
Ammonites orbignyanus was named by Geinitz (1849). Its type specimen is MMG PnK 7, a shell, and it is a 3D body fossil. Its type locality is Idzików (Kieslingswalda), Piowat Kłodzki, which is in a Coniacian marine horizon in Poland.
It was recombined as Placenticeras orbignyanum by Wilmsen and Nagm (2014).
It was recombined as Placenticeras orbignyanum by Wilmsen and Nagm (2014).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1849 | Ammonites orbignyanus Geinitz p. 114 figs. Pl 4, fig 1 |
| 2014 | Placenticeras orbignyanum Wilmsen and Nagm p. 208 fig. 5d,e |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Placenticeras orbignyanum Geinitz 1849
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Middle Coniacian to the top of the Early/Lower Santonian or 89.80000 to 83.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Coniacian | Germany (Sachsen) | Ammonites orbignyanus (172052) | |
| Middle Coniacian | Poland | Ammonites orbignyanus (172051) | |
| Early/Lower Santonian | Poland | Placenticeras orbignyanum (179488) |